Presto HLL Library, using Aggregate Knowledge's awesome java-hll implementation:
The UDF's can be used to work with HLL strings which were generated in other systems:
See:
- https://github.com/xadrnd/pig-hll
- https://github.com/aggregateknowledge/hll-storage-spec
Build:
mvn clean package
Deploy target/xad-presto-hll-1.0.jar in ${PRESTO_HOME}/plugin/xad-hll/ and restart the presto service
Verify installed correctly using select hll_udf_version();